Technical and economical aspects of wholesale electricity markets: An international comparison and main contributions for improvements in Brazil

L Ribeiro, A Street, D Valladão, AC Freire… - Electric Power Systems …, 2023 - Elsevier
The Brazilian power-market design features were based on the system's physical and
economic characteristics in the'90s. However, some of the approximations and assumptions …

Damping characteristics analysis of hydropower units under full operating conditions and control parameters: Accurate quantitative evaluation based on refined …

D Liu, C Li, X Tan, X Lu, OP Malik - Applied Energy, 2021 - Elsevier
Hydropower is a renewable energy source with flexible and rapid regulation. Its efficient
utilization is of significance in improving the stability of the electric power grid and its ability …

Assessing the cost of network simplifications in long-term hydrothermal dispatch planning models

AW Rosemberg, A Street, JD Garcia… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The sustainable utilization of hydro energy relies on accurate estimates of the opportunity
cost of the water. This value is calculated through long-term hydrothermal dispatch problems …

Medium-term stochastic hydrothermal scheduling with short-term operational effects for large-scale power and water networks

A Navarro, M Favereau, Á Lorca, D Olivares… - Applied Energy, 2024 - Elsevier
The high integration of variable renewable sources in electric power systems entails a series
of challenges inherent to their intrinsic variability. A critical challenge is to correctly value the …

Solving constrained consumption-investment problems by decomposition algorithms

BK Pagnoncelli, T Homem-de-Mello, G Lagos… - European Journal of …, 2024 - Elsevier
Consumption–investment problems with maximizing utility agents are usually considered
from a theoretical viewpoint, aiming at closed-form solutions for the optimal policy. However …

Subdifferentiability in convex and stochastic optimization applied to renewable power systems

A Le Franc - 2021 - pastel.hal.science
Inserting renewable power systems in the electric gridis a key challenge of the energy
transition. However, such systems introduce new engineering problems, due to the erratic …

Multistage stochastic fractionated intensity modulated radiation therapy planning

M Bodur, M Cevik, AA Cire, M Ruschin… - Computers & Operations …, 2023 - Elsevier
Intensity modulated radiation therapy (IMRT) is a widely used cancer treatment technique
designed to target malignant cells. To enhance its effectiveness on tumors and reduce side …

Time blocks decomposition of multistage stochastic optimization problems

P Carpentier, JP Chancelier, M De Lara… - arXiv preprint arXiv …, 2018 - arxiv.org
Multistage stochastic optimization problems are, by essence, complex as their solutions are
indexed both by stages and by uncertainties. Their large scale nature makes decomposition …

A Multicut Approach to Compute Upper Bounds for Risk-Averse SDDP

JD Garcia, I Leal, R Chabar, MV Pereira - arXiv preprint arXiv:2307.13190, 2023 - arxiv.org
Stochastic Dual Dynamic Programming (SDDP) is a widely used and fundamental algorithm
for solving multistage stochastic optimization problems. Although SDDP has been frequently …

Solving multistage stochastic linear programming via regularized linear decision rules: An application to hydrothermal dispatch planning

F Nazare, A Street - European Journal of Operational Research, 2023 - Elsevier
The solution of multistage stochastic linear problems (MSLPs) represents a challenge for
many applications. Long-term hydrothermal dispatch planning (LHDP) materializes this …